i Register
In some senses, landshark is marked as derogatory, obsolete, slang. Watch for register when choosing this word.
noun
A customs officer.
A swindler or fraudster.
A landgrabber.
By the Europeans, Sir, to gratify the lust of the landsharks and land-jobbers who hungered after the lands of the Natives: it was to satisfy their greed, and not for the benefit of the Natives in any way.